CN115141726A - Air sampler - Google Patents
Air sampler Download PDFInfo
- Publication number
- CN115141726A CN115141726A CN202211081033.4A CN202211081033A CN115141726A CN 115141726 A CN115141726 A CN 115141726A CN 202211081033 A CN202211081033 A CN 202211081033A CN 115141726 A CN115141726 A CN 115141726A
- Authority
- CN
- China
- Prior art keywords
- air
- sampling
- channel
- outlet channel
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005070 sampling Methods 0.000 claims abstract description 75
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 230000000903 blocking effect Effects 0.000 claims description 33
- 244000005700 microbiome Species 0.000 abstract description 14
- 238000005086 pumping Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 244000000010 microbial pathogen Species 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/04—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by injection or suction, e.g. using pipettes, syringes, needles
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention provides an air sampler, which relates to the technical field of microorganism sampling and comprises an air inlet channel, an air outlet channel and a sampling cavity; the bottom of inlet channel and outlet channel's bottom all communicates with the sampling chamber, and the sampling intracavity is used for the holding sampling liquid, and outlet channel's top is used for connecting with air exhaust device, and outlet channel internal fixation is provided with a plurality of fenders, and the fender is baffle or dog, and each fenders all slopes to set up downwards. The air sampler provided by the invention can prevent the sampling liquid from being pumped out along with the air pumping hole, thereby reducing the loss of the sampling liquid.
Description
Technical Field
The invention relates to the technical field of microorganism sampling, in particular to an air sampler.
Background
Microorganisms in human, animal and plant bodies and soil can be dispersed in the air by droplets, dust, and the like, so that the air contains a certain kind and number of microorganisms. In principle, no pathogenic microorganisms exist in the air, but aerosol of the pathogenic microorganisms is suspended in the air near hospitals, veterinary hospitals and livestock barns, and healthy people or animals are infected by inhalation. Air contaminated by pathogenic microorganisms can often be a source or vehicle of contamination, causing epidemic disease. Therefore, the detection of airborne microorganisms is of great significance for the prevention and control of infectious diseases and the hygiene supervision and protection of the environment.
The air sampler is an important tool in the air microorganism detection process, and has a variety of types, wherein the impact air sampler collects microorganism particles in air in a sampling liquid in a jet air flow mode. In the sampling process, after the sampling liquid is added into the sampler, the air suction power is started, air enters from the air inlet of the sampler, microbial particles in the air impact the sampling liquid of the sampler, and the microbial particles are captured due to the adhesion of the liquid.
However, the main body of the commonly used impact type air sampler is vertically arranged, so that the air flow speed is greatly limited in use, and when the air flow speed is high, the sampling liquid in the sampler is easy to splash upwards under the impact of high-speed air flow and is pumped out through the pumping hole, so that the loss of the sampling liquid and the air sample is caused, and the high-speed and long-time sampling of air microorganisms is not facilitated.
Disclosure of Invention
The invention aims to provide an air sampler, which aims to solve the problems in the prior art, prevent sampling liquid from being extracted along with an extraction opening and reduce the loss of the sampling liquid.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides an air sampler, which comprises an air inlet channel, an air outlet channel and a sampling cavity, wherein the air inlet channel is communicated with the sampling cavity; the bottom end of the air inlet channel and the bottom end of the air outlet channel are communicated with the sampling cavity, sampling liquid is contained in the sampling cavity, the top end of the air outlet channel is connected with an air exhaust device, a plurality of blocking pieces are fixedly arranged in the air outlet channel, the blocking pieces are baffle plates or baffle blocks, and the blocking pieces are all obliquely and downwards arranged.
Preferably, the blocking pieces divide the air outlet channel into a plurality of obliquely arranged overflowing channels, any two adjacent overflowing channels are communicated to form one or more bent baffling channels, the bottom ends of the baffling channels are communicated with the air inlet of the air outlet channel, and the top ends of the baffling channels are communicated with the air outlet of the air outlet channel.
Preferably, still include the cushion chamber, the cushion chamber is located directly over the sampling chamber and with the sampling chamber communicates with each other, inlet channel's bottom stretches into the cushion chamber and orientation the sampling chamber extends, outlet channel's air inlet with the lateral part intercommunication of cushion chamber.
Preferably, the inlet channel is formed in the inlet duct, the outlet channel is formed in the outlet duct, the buffer chamber is formed in the buffer tube, and the sampling chamber is formed in the receiving member.
Preferably, the blocking piece is a baffle, the air outlet channel is provided with two first side walls which are oppositely arranged, the baffle is fixedly arranged on the first side walls, the baffles are sequentially arranged along the air outlet direction, the baffles on the two first side walls are arranged in a staggered manner, and any two adjacent flow channels are communicated to form one flow deflection channel.
Preferably, the bottom of buffer tube is provided with the internal thread, the outside of holding the piece is provided with the external screw thread, hold a threaded connection in the bottom of buffer tube, the intake pipe the outlet duct with buffer tube an organic whole sets up.
Preferably, the outlet duct the buffer tube with hold an integrated design, and wholly be the flat structure, the inlet duct the outlet duct the buffer tube with the thickness of holding an equal.
Preferably, the blocking piece is a long-strip-shaped blocking piece, the air outlet channel is provided with a left side wall and a right side wall which are oppositely arranged, each blocking piece is fixedly arranged between the left side wall and the right side wall, the blocking piece is arranged close to the left side wall and is a left blocking piece, the blocking piece is arranged close to the right side wall and is a right blocking piece, the left blocking piece inclines towards the left side wall from bottom to top, the right blocking piece inclines towards the right side wall from bottom to top, the left blocking piece and the right blocking piece are arranged in a staggered mode, side overflowing channels are formed between the left blocking piece and the left side wall and between the right blocking piece and the right side wall, middle overflowing channels are formed between the left blocking piece and the right blocking piece, and any adjacent middle overflowing channels and/or side overflowing channels are communicated and form a plurality of baffling channels.
Preferably, the top of the side flow passage is provided with a downwards bent arc-shaped passage.
Compared with the prior art, the invention has the following technical effects:
the air sampler provided by the invention is characterized in that a plurality of blocking pieces are fixedly arranged in the air outlet channel, the blocking pieces are used for blocking splashed sampling liquid, and the blocking pieces are all obliquely and downwards arranged so as to guide the sampling liquid, so that the sampling liquid in the air outlet channel can conveniently flow back to the sampling cavity, the sampling liquid is prevented from being pumped out by the air pumping device, when the concentration of target microorganisms in the air is low and long-time sampling is needed, the losses of the sampling liquid and the air sample can be greatly reduced, and the sampling result is more accurate and reliable; meanwhile, in the sampling process, the air flow rate is increased, so that the air microorganism sampling rate is improved, the limitation of the sampler on the air flow rate is reduced, and a structural basis is further provided for improving the air microorganism sampling rate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an air sampler according to an embodiment;
FIG. 2 is a top view of an air sampler in accordance with one embodiment;
FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 2;
in the figure: 101. an air inlet pipe; 102. an air outlet pipe; 103. a buffer tube; 104. a receiving member; 105. a baffle plate; 111. an air intake passage; 112. an air outlet channel; 113. a buffer chamber; 114. a sampling cavity.
FIG. 4 is a schematic structural diagram of an air sampler provided in the second embodiment;
FIG. 5 is a top view of the air sampler provided in the second embodiment;
FIG. 6 is a sectional view taken along line B-B of FIG. 5;
in the figure: 201. an air inlet pipe; 202. an air outlet pipe; 203. a buffer tube; 204. a receiving member; 205. a stopper; 211. an intake passage; 212. an air outlet channel; 213. a buffer chamber; 214. a sampling cavity; 215. a side overflow channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an air sampler, which aims to solve the problems in the prior art, prevent sampling liquid from being pumped out along with an air pumping hole and reduce the loss of the sampling liquid.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
The present embodiment provides an air sampler, as shown in fig. 1 to 3, including an air inlet channel 111, an air outlet channel 112, and a sampling cavity 114; the bottom of inlet channel 111 and outlet channel 112 all communicates with sampling chamber 114, is used for the holding sampling liquid in the sampling chamber 114, and outlet channel 112's top is used for being connected with air exhaust device, and outlet channel 112 internal fixation is provided with a plurality of fenders, and each fenders all slopes to set up downwards.
A plurality of blocking pieces are fixedly arranged in the air outlet channel 112 of the air sampler provided by the embodiment, the blocking pieces are used for blocking splashed sampling liquid, and the blocking pieces are all obliquely and downwards arranged so as to guide the sampling liquid, so that the sampling liquid in the air outlet channel 112 flows back to the sampling cavity 114, the sampling liquid is prevented from being pumped out by an air extractor, and when the concentration of target microorganisms in the air is low and long-time sampling is needed, the loss of the sampling liquid and the air sample can be greatly reduced, so that the sampling result is more accurate and reliable; meanwhile, in the sampling process, the air flow rate is increased, so that the air microorganism sampling rate is improved, the limitation of the sampler on the air flow rate is reduced, and a structural basis is further provided for improving the air microorganism sampling rate.
Furthermore, a plurality of stoppers divide the air outlet channel 112 into a plurality of obliquely arranged flow passage, any two adjacent flow passage are communicated and form one or more bent deflection channels, the bottom end of each deflection channel is communicated with the air inlet of the air outlet channel 112, and the top end of each deflection channel is communicated with the air outlet of the air outlet channel 112.
The length of the deflection channel formed is longer than that of the original gas outlet channel 112, so as to increase the difficulty of extracting the sampling liquid, and due to inertia, the droplet particles of the sampling liquid mixed in the gas collide with the surface of the stopper when circulating in the deflection channel, and then adhere to the surface of the stopper and flow back to the sampling cavity 114 under the guidance of the stopper.
Further, the air sampler still includes buffer chamber 113, buffer chamber 113 is located sampling chamber 114 directly over and communicates with each other with sampling chamber 114, buffer chamber 113 is stretched into and extends towards sampling chamber 114 in the bottom of inlet channel 111, outlet channel 112's air inlet and buffer chamber 113's lateral part intercommunication, outlet channel 112's air inlet and the coaxial setting in sampling chamber 114, set up outlet channel 112 in buffer chamber 113's lateral part in order to increase the degree of difficulty that sampling liquid splashes to outlet channel 112 in, and then reduce extravagantly.
Further, an inlet passage 111 is formed in the inlet pipe 101, an outlet passage 112 is formed in the outlet pipe 102, a part of the passage at the top of the outlet passage 112 for connecting an air-extracting device is thin, a buffer cavity 113 is formed in the buffer tube 103, and a sampling cavity 114 is formed in the accommodating member 104.
Further, keep off and be baffle 105, outlet channel 112 possesses the first side wall of two relative settings, baffle 105 all fixes and sets up on first side wall, and baffle 105 and the equal fixed connection of two other relative side walls, and a plurality of baffles 105 arrange in proper order (vertical arranging promptly) along the direction of giving vent to anger, and baffle 105 on two first side walls sets up in a staggered way, specifically for controlling crisscross setting, and arbitrary adjacent two overflow the passageway and all communicate and form a baffling passageway.
Furthermore, the bottom of buffer tube 103 is provided with the internal thread, and the outside of holding 104 is provided with the external screw thread, and holding 104 threaded connection is in the bottom of buffer tube 103, and intake pipe 101, outlet duct 102 and buffer tube 103 are integrative to add sample liquid or take out the sample of gathering in holding 104 to holding 104 in.
Example two
In the present embodiment, another air sampler is provided, which is different from the first embodiment in that, in order to facilitate storage and transportation of the air sampler, as shown in fig. 3 to 6, the air inlet pipe 201, the air outlet pipe 202, the buffer pipe 203, and the accommodating member 204 in the present embodiment are integrally designed, and the whole is a flat structure, and the thicknesses of the air outlet pipe 202, the buffer pipe 203, and the accommodating member 204 are all the same, so as to reduce the thickness of the sampler as much as possible; in order to keep the sampler function as described in the first embodiment while minimizing the volume of the sampler, the stopper is a strip-shaped stopper 205, the air outlet channel 212 has two opposite left and right side walls, each stopper 205 is fixedly disposed between the left and right side walls, and the left stopper is disposed near the left side wall, the right stopper is disposed near the right side wall, the left stopper is inclined from bottom to top toward the left side wall, the right stopper is inclined from bottom to top toward the right side wall, the left and right stoppers are alternately disposed, a side overflow channel 215 is formed between the left and left side walls and between the right and right side walls, and a middle overflow channel is formed between the left and right stoppers, arbitrary adjacent well flow channel and/or side flow channel 215 all communicate and form many baffling passageways, many baffling passageways all can communicate the air inlet and the gas outlet of gas outlet channel 212, and then be convenient for gas to pass through, specifically, the angle of dog 205 downward sloping sets up to be greater than 135 degrees, reduce the distance of both sides dog 205 simultaneously, make the structure in the gas outlet channel 212 compacter, both can reach the mesh that prevents sampling liquid from the gas outlet spill, can reduce the required volume of gas outlet channel 212 again as far as possible, in addition, the top of side flow channel 215 possesses a crooked arc channel downwards, can flow sampling liquid refluence backward flow to holding member 204 in the side flow channel 215 internal flow.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. An air sampler, characterized by: comprises an air inlet channel, an air outlet channel and a sampling cavity; the bottom end of the air inlet channel and the bottom end of the air outlet channel are communicated with the sampling cavity, sampling liquid is contained in the sampling cavity, the top end of the air outlet channel is connected with an air exhaust device, a plurality of blocking pieces are fixedly arranged in the air outlet channel, the blocking pieces are baffle plates or baffle blocks, and the blocking pieces are all obliquely and downwards arranged.
2. The air sampler of claim 1, wherein: the blocking pieces divide the air outlet channel into a plurality of obliquely arranged overflowing channels, any two adjacent overflowing channels are communicated and form one or more bent baffling channels, the bottom ends of the baffling channels are communicated with the air inlet of the air outlet channel, and the top ends of the baffling channels are communicated with the air outlet of the air outlet channel.
3. The air sampler of claim 2, wherein: still include the cushion chamber, the cushion chamber be located directly over the sampling chamber and with the sampling chamber communicates with each other, inlet channel's bottom stretches into the cushion chamber and orientation the sampling chamber extends, outlet channel's air inlet with the lateral part intercommunication of cushion chamber.
4. The air sampler of claim 3, wherein: the inlet channel is formed in the inlet duct, the outlet channel is formed in the outlet duct, the buffer chamber is formed in the buffer tube, and the sampling chamber is formed in the receptacle.
5. The air sampler of claim 2, wherein: the blocking piece is a baffle, the air outlet channel is provided with two first side walls which are oppositely arranged, the baffle is fixedly arranged on the first side walls, the baffles are sequentially arranged along the air outlet direction, the baffles on the two first side walls are arranged in a staggered mode, and any two adjacent flow channels are communicated to form one flow deflection channel.
6. The air sampler of claim 4, wherein: the bottom of buffer tube is provided with the internal thread, the outside that holds the piece is provided with the external screw thread, hold a threaded connection in the bottom of buffer tube, the intake pipe the outlet duct with buffer tube an organic whole sets up.
7. The air sampler of claim 4, wherein: the intake pipe the outlet duct the buffer tube with hold an integrative design, and wholly be the flat structure, the outlet duct the buffer tube with the thickness that holds a is all unanimous.
8. The air sampler of claim 7, wherein: the baffle is a long-strip-shaped baffle block, the air outlet channel is provided with a left side wall and a right side wall which are oppositely arranged, each baffle block is fixedly arranged between the left side wall and the right side wall, a left baffle block is arranged close to the left side wall, a right baffle block is arranged close to the right side wall, the left baffle block inclines towards the left side wall from bottom to top, the right baffle block inclines towards the right side wall from bottom to top, the left baffle block and the right baffle block are arranged in a staggered mode, side overflowing channels are formed between the left baffle block and the left side wall and between the right baffle block and the right side wall, middle overflowing channels are formed between the left baffle block and the right baffle block, and any adjacent middle overflowing channels and/or side overflowing channels are communicated and form a plurality of baffling channels.
9. The air sampler of claim 8, wherein: the top of the side overflowing channel is provided with an arc-shaped channel which bends downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211081033.4A CN115141726A (en) | 2022-09-06 | 2022-09-06 | Air sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211081033.4A CN115141726A (en) | 2022-09-06 | 2022-09-06 | Air sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115141726A true CN115141726A (en) | 2022-10-04 |
Family
ID=83415403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211081033.4A Pending CN115141726A (en) | 2022-09-06 | 2022-09-06 | Air sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115141726A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010276296A (en) * | 2009-05-29 | 2010-12-09 | Sharp Corp | Humidifier |
| WO2019223214A1 (en) * | 2018-05-25 | 2019-11-28 | 昆山汇先医药技术有限公司 | Apparatus for enriching and screening target object such as cell, bacteria or biomolecule from sample |
| CN214781836U (en) * | 2021-03-31 | 2021-11-19 | 佛山华谱测智能科技有限公司 | Sampling device and sampling detection device for collecting viruses from air |
| CN114540177A (en) * | 2022-04-25 | 2022-05-27 | 至美时代生物智能科技(北京)有限公司 | Impact type air sampler |
| CN114774264A (en) * | 2022-06-22 | 2022-07-22 | 至美时代生物智能科技(北京)有限公司 | Automatic air microorganism detection system |
-
2022
- 2022-09-06 CN CN202211081033.4A patent/CN115141726A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010276296A (en) * | 2009-05-29 | 2010-12-09 | Sharp Corp | Humidifier |
| WO2019223214A1 (en) * | 2018-05-25 | 2019-11-28 | 昆山汇先医药技术有限公司 | Apparatus for enriching and screening target object such as cell, bacteria or biomolecule from sample |
| CN214781836U (en) * | 2021-03-31 | 2021-11-19 | 佛山华谱测智能科技有限公司 | Sampling device and sampling detection device for collecting viruses from air |
| CN114540177A (en) * | 2022-04-25 | 2022-05-27 | 至美时代生物智能科技(北京)有限公司 | Impact type air sampler |
| CN114774264A (en) * | 2022-06-22 | 2022-07-22 | 至美时代生物智能科技(北京)有限公司 | Automatic air microorganism detection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215328084U (en) | Air microorganism sampling bottle and air microorganism sampling device | |
| EP0219506A4 (en) | Non-occluding high flow enteral feeding tube. | |
| CN114540177B (en) | Impact type air sampler | |
| CN115141726A (en) | Air sampler | |
| CN109985673A (en) | Micro-fluidic chip | |
| CN208569682U (en) | Wild insect counter | |
| CN112255054A (en) | Air aerosol circulating adsorption liquid sampler | |
| CN111011228A (en) | Negative pressure isolator type pathogen air transmission experimental device | |
| CN212925026U (en) | Sampling tube capable of quantitatively transferring samples | |
| CN115161172A (en) | Air sampler | |
| CN115141728A (en) | Air sampler | |
| CN214781836U (en) | Sampling device and sampling detection device for collecting viruses from air | |
| CN115141727A (en) | Impact type air sampler | |
| CN211161117U (en) | High temperature resistant acid and alkali-resistance exhaust equipment | |
| CN203159720U (en) | Titanium metal tube acid cleaning waste gas extractor | |
| CN209435979U (en) | Negative pressure isolator formula pathogen air borne experimental provision | |
| CN109045919A (en) | A kind of pernicious gas processing system for laboratory | |
| CN217677535U (en) | Microorganism acquisition and detection device | |
| CN211070161U (en) | Lower air discharge integrated experiment table | |
| CN206950932U (en) | A kind of deodorizing device for intaglio press | |
| CN117945011B (en) | Blood sampling storage equipment for emergency department | |
| CN212410207U (en) | Air virus sampler | |
| CN218283119U (en) | Air purification type fume chamber | |
| CN219596283U (en) | Laboratory harmful gas collection device | |
| CN217528293U (en) | Experimental cockroach sorting and collecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221004 |